Alcoholic fermentation 



(C 8 H 10 O 6 )„ 

 glycogen 

 1 H 3P0 4 



H— C— OP0 3 H 2 



I 

 H-C-OH 



HO— C— H 

 I 

 H— C— OH 



I 

 H— C 



C 6 H 12 O s 

 glucose 



]{ <-ATP 



C 6 H I2 6 

 fructose 



H <-ATP 



H- 



O £=j HO- 

 H- 



u 



I III 



glucose-1 -phosphate 

 (Cori-ester) 



C— OH 



I 

 -C— H 



I 

 ■C-OH 



HoC— OH 



I 

 C(OH) 



3_C— H 



H 



H— C 



I 



H 2 C— OP0 3 H 2 + ADP H 2 C— OPO3H0+ADP 



glucose-6-phosphate fructose-6-phosphate 

 (Robison-ester) (Neuberg-ester) 



fructose- 1,6-diphosphate 

 (Harden-Young-ester) 



H 2 C— OP0 3 H 2 

 I 

 C(OH). 



HO— C— 

 I 

 H— C— OH 



'■"■; 1 



H 



dihydroxyacetone-phospha 



H 2 C— OP0 3 H 2 + ADP 



CH 2 OP0 3 H, 

 I 



c = o - 



I 



CH 2 OH 



1,3-diphosphoglyceric acid 

 (Negelein-ester) 



CH 



H 



3-phosphoglycer-aIdehyde 

 (Fischer-ester) 



► CHOH 

 I 



CH 2 OP0 3 H 2 

 Jf + coenzyme + H 3 P0 4 

 = C— OPO s H, 

 I 



CHOH + dihydro-coenzyme 

 I 

 CH.OPO.H 



3-phosphoglyceric acid 

 (Nilsson-ester) 



2-phosphoglyceric acid 



phosphopyruvic acid 

 (enol-) 



I CQ 2 I + CH,CHO 



° 

 C— OH 



CHOH 

 CH„OP0 3 H 2 



\\ ' 



COOH 



I 

 CHOPO,H 2 



I 

 CH„OH 



w 



COOH 



I 

 COP0 3 H 2 



I 

 CH, 



\\ ' 



COOH 



I 



1 ATP I 



= + I ATP I 



I CH 3 -CH 2 OH J 

 ethyl alcohol 



+ dihydro-coenzyme 

 coenzyme 



CH 3 

 pyruvic acid 



